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Yes! I talk a bit about prior art in this section of a recent talk: https://youtu.be/AdNJ3fydeao?t=504 https://youtu.be/AdNJ3fydeao?t=504. (Michel Weststrate, t

Yes! I talk a bit about prior art in this section of a recent talk: https://youtu.be/AdNJ3fydeao?t=504 https://youtu.be/AdNJ3fydeao?t=504. (Michel Weststrate, the MobX creator, was in the audience!) The difference in how you end up writing your code when you don't have a `this` turns out to be quite profound, and is the main reason that Svelte components are so concise: https://svelte.dev/blog/write-less-code https://svelte.dev/blog/write-less-code It's also worth noting that this approach means there's none of the overhead involved in creating proxies.

pier25 7y ago
And also, since you don't need Proxies, you can target not so old browsers. We're working on a project with MobX 5 and mid project we realized some of our users on iOS 9 or KitKat do not have Proxy.
inglor 7y ago
I was actually physically close to YGLF but unable to attend, I spoke there at a previous year. Michel is a friend and I collaborated with him on MobX. He's also one of the nicest people I know and he visits often. I think you might want to check out WPF + PostSharp for something very similar to this approach in C# land. I definitely think it's the right approach for reactivity.
- rich_harris 7y ago
  Echoing your comment about Michel — he's a prince among men! Was great to meet him at YGLF
inglor 7y ago
Also, thanks for rollup, I've used it today and it was a lot of fun to work with. I was up and running (after experience with webpack) very quickly and everything I needed was well maintained and I was pleasantly surprised! The main blocker for me adopting Svetle (and opting for Vue and React) is tooling to be honest. I want code that has a lot of visibility, meaningful stack traces and the debugger stopping in relevant places. If Svetle 3 does everything synchronously (like MobX) I'd love to check it out!
- rich_harris 7y ago
  Updates are asynchronous (they happen at the end of the event loop, so that `x = 1; y = 2;` results in one update instead of two), but I hear you on tooling. Svelte isn't yet as mature as other frameworks on that front (though debugging isn't bad in my experience). One day soon, hopefully!

pier25 7y ago

And also, since you don't need Proxies, you can target not so old browsers. We're working on a project with MobX 5 and mid project we realized some of our users on iOS 9 or KitKat do not have Proxy.

inglor 7y ago

I was actually physically close to YGLF but unable to attend, I spoke there at a previous year. Michel is a friend and I collaborated with him on MobX. He's also one of the nicest people I know and he visits often. I think you might want to check out WPF + PostSharp for something very similar to this approach in C# land. I definitely think it's the right approach for reactivity.

rich_harris 7y ago
Echoing your comment about Michel — he's a prince among men! Was great to meet him at YGLF

inglor 7y ago

Also, thanks for rollup, I've used it today and it was a lot of fun to work with. I was up and running (after experience with webpack) very quickly and everything I needed was well maintained and I was pleasantly surprised! The main blocker for me adopting Svetle (and opting for Vue and React) is tooling to be honest. I want code that has a lot of visibility, meaningful stack traces and the debugger stopping in relevant places. If Svetle 3 does everything synchronously (like MobX) I'd love to check it out!

rich_harris 7y ago
Updates are asynchronous (they happen at the end of the event loop, so that `x = 1; y = 2;` results in one update instead of two), but I hear you on tooling. Svelte isn't yet as mature as other frameworks on that front (though debugging isn't bad in my experience). One day soon, hopefully!